CIPA 02002 Ellipse 4" x 11" Marine Mirror Great for boats with walkthrough windshields or boats without wakeboard towers. Ball and socket tension knob keeps the mirror where you position it Features one 3.25 x 6 inch convex stationary lens in the center and two adjustable 2.5 x 2.5 inch flat lenses on each side Most advanced family recreational boat mirror available allowing a view of both sides of the boat as well as behind Universal quick-mount, anti-scratch bracket mounts to rectangular or rounded windshield frames from 0.375 to 1.25 inches High quality mirror constructed of heavy-duty durability tested materials featuring OE grade glass